Purpose of Fingerprints Is Questioned. Fingerprints don't help create as much friction as previously thought. Credit: stock.xchng. The bumpy ridges on the tips of our fingers are an evolutionary mystery. read more
It's probably an accidental byproduct of something else. You do get lots of those in biology. read more
The bumpy ridges on the tips of our fingers are an evolutionary mystery. Scientists have long reasoned that fingerprints help humans grip objects by creating friction, since a few primates and tree-climbing koalas also have fingerprints. read more